(n): an man-made opening; usually small
(n): an acoustic device; the part of a telephone into which a person speaks
(n): a device for amplifying or transmitting sound
(n): a spokesperson (as a lawyer)
(n): an advocate who represents someone else's policy or purpose
(n): (especially boxing) equipment that protects an athlete's mouth
(n): equipment needed to participate in a particular sport
(n): the tube of a pipe or cigarette holder that a smoker holds in the mouth
(n): conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
(n): the aperture of a wind instrument into which the player blows directly
(n): an man-made opening; usually small
